1 package OpenSRF::Transport::SlimJabber::Client;
2 use strict; use warnings;
4 use base qw( OpenSRF );
5 use OpenSRF::Utils::Logger qw(:level);
6 use OpenSRF::Utils::Config;
7 use Time::HiRes qw(ualarm);
8 use OpenSRF::Utils::Config;
10 use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK);
16 OpenSRF::Transport::SlimJabber::Client
18 Home-brewed slimmed down jabber connection agent. Supports SSL connections
19 with a config file options:
21 transport->server->sslport # the ssl port
22 transport->server->ssl # is this ssl?
26 my $logger = "OpenSRF::Utils::Logger";
35 my $socket = $self->{_socket};
36 if( $socket and $socket->connected() ) {
37 print $socket "</stream:stream>";
45 Creates a new Client object.
47 debug and log_file are not required if you don't care to log the activity,
48 however all other parameters are.
62 my( $class, %params ) = @_;
64 $class = ref( $class ) || $class;
66 my $port = $params{'port'} || return undef;
67 my $username = $params{'username'} || return undef;
68 my $resource = $params{'resource'} || return undef;
69 my $password = $params{'password'} || return undef;
70 my $host = $params{'host'} || return undef;
72 my $jid = "$username\@$host\/$resource";
74 my $self = bless {} => $class;
79 $self->username( $username );
80 $self->resource( $resource );
81 $self->password( $password );
82 $self->{temp_buffer} = "";
84 $logger->transport( "Creating Client instance: $host:$port, $username, $resource",
90 # clears the tmp buffer as well as the TCP buffer
94 $self->{temp_buffer} = "";
96 my $fh = $self->{_socket};
99 while( sysread( $fh, $t_buf, 4096 ) ) {}
102 # -------------------------------------------------
106 Gathers all Jabber messages sitting in the collection queue
107 and hands them each to their respective callbacks. This call
108 does not block (calls Process(0))
112 sub gather { my $self = shift; $self->process( 0 ); }
114 # -------------------------------------------------
118 Blocks and gathers incoming messages as they arrive. Does not return
119 unless an error occurs.
121 Throws an OpenSRF::EX::JabberException if the call to Process ever fails.
127 my $sock = $self->unix_sock();
128 my $socket = IO::Socket::UNIX->new( Peer => $sock );
129 $logger->transport( "Unix Socket opened by Listener", INTERNAL );
131 throw OpenSRF::EX::Socket( "Unable to connect to UnixServer: socket-file: $sock \n :=> $! " )
132 unless ($socket->connected);
135 my $o = $self->process( -1 );
136 $logger->transport( "Call to process() in listener returned:\n $o", INTERNAL );
137 if( ! defined( $o ) ) {
138 throw OpenSRF::EX::Jabber( "Listen Loop failed at 'process()'" );
143 throw OpenSRF::EX::Socket( "How did we get here?!?!" );
148 my $flags = fcntl($fh, F_GETFL, 0)
149 or die "Can't get flags for the socket: $!\n";
151 $logger->transport( "Setting NONBLOCK: original flags: $flags", INTERNAL );
153 fcntl($fh, F_SETFL, $flags | O_NONBLOCK)
154 or die "Can't set flags for the socket: $!\n";
162 $logger->transport( "Restoring BLOCK: to flags $flags", INTERNAL );
163 fcntl($fh, F_SETFL, $flags) if defined $flags;
169 my $flags = fcntl($fh, F_GETFL, 0)
170 or die "Can't get flags for the socket: $!\n";
172 $flags &= ~O_NONBLOCK;
174 fcntl($fh, F_SETFL, $flags)
175 or die "Can't set flags for the socket: $!\n";
180 my ($self, $timeout) = @_;
181 $timeout = defined($timeout) ? int($timeout) : undef;
183 $logger->transport( "Temp Buffer Contained: \n". $self->{temp_buffer}, INTERNAL) if $self->{temp_buffer};
184 if( $self->can( "app" ) ) {
185 $logger->transport( "timed_read called for ".$self->app.", I am: ".$self->jid, INTERNAL );
188 # See if there is a complete message in the temp_buffer
190 if( $self->{temp_buffer} ) {
191 my $buffer = $self->{temp_buffer};
193 $self->{temp_buffer} = '';
195 my ($tag) = ($buffer =~ /<([^\s\?\>]+)/o);
196 $self->{last_tag} = $tag;
197 $logger->transport("Using tag: $tag ", INTERNAL);
199 if ( $buffer =~ /^(.*?<\/$tag>){1}(.*)/s) {
201 $self->{temp_buffer} = $2;
203 $logger->transport( "completed read with $buffer", INTERNAL );
204 } elsif ( $buffer =~ /^<$tag[^>]*?\/>(.*)/) {
205 $self->{temp_buffer} = $1;
207 $logger->transport( "completed read with $buffer", INTERNAL );
209 $self->{temp_buffer} = $buffer;
212 if( $buffer and $complete ) {
219 my $fh = $self->{_socket};
221 unless( $fh and $fh->connected ) {
222 throw OpenSRF::EX::Socket ("Attempted read on closed socket", ERROR );
225 $logger->transport( "Temp Buffer After first attempt: \n ".$self->{temp_buffer}, INTERNAL) if $self->{temp_buffer};
228 if (defined($timeout) && !$timeout) {
229 $flags = set_nonblock( $fh );
233 $logger->transport( "Calling timed_read with timetout $timeout", INTERNAL );
243 local $SIG{ALRM} = sub { die "alarm\n" }; # NB: \n required
245 # alarm needs a number greater => 1.
246 my $alarm_timeout = $timeout;
247 if( $alarm_timeout > 0 and $alarm_timeout < 1 ) {
250 alarm $alarm_timeout;
253 my $buffer = $self->{temp_buffer};
254 $self->{temp_buffer} = '';
257 # This code is no longer in use
258 #my $ff = fcntl($fh, F_GETFL, 0);
259 #if ($ff == ($ff | O_NONBLOCK) and $timeout > 0 ) {
260 #throw OpenSRF::EX::ERROR ("File flags are set to NONBLOCK but timeout is $timeout", ERROR );
264 my $read_size = 1024; my $f = 0;
265 while( my $n = sysread( $fh, $t_buf, $read_size ) ) {
267 unless( $fh->connected ) {
268 OpenSRF::EX::JabberDisconnected->throw(
269 "Lost jabber client in timed_read()");
272 # XXX Change me to debug/internal at some point, this is for testing...
273 # XXX Found a race condition where reading >= $read_size bytes of data
274 # will fail if the log line below is removed.
275 $logger->info("timed_read() read $n bytes of data");
279 if( $n < $read_size ) {
280 #reset_fl( $fh, $f ) if $f;
284 # see if there is any more data to grab...
285 $f = set_nonblock( $fh );
288 #sysread($fh, $buffer, 2048, length($buffer) );
289 #sysread( $fh, $t_buf, 2048 );
293 $logger->transport(" Got [$buffer] from the socket", INTERNAL);
296 $logger->transport(" First read Buffer\n [$buffer]", INTERNAL);
297 ($tag) = ($buffer =~ /<([^\s\?\>\/]+){1}/o);
298 $self->{last_tag} = $tag;
300 $logger->transport("Using tag: $tag ", INTERNAL);
303 if (!$first_read && $buffer =~ /^(.*?<\/$tag>){1}(.*)/s) {
305 $self->{temp_buffer} = $2;
307 $logger->transport( "completed read with $buffer", INTERNAL );
308 } elsif (!$first_read && $buffer =~ /^<$tag[^>]*?\/>(.*)/) {
309 $self->{temp_buffer} = $1;
311 $logger->transport( "completed read with $buffer", INTERNAL );
316 } while (!$complete && $xml);
322 $logger->transport( "XML Read: $xml", INTERNAL );
323 #reset_fl( $fh, $flags) if defined $flags;
324 set_block( $fh ) if defined $flags;
336 # -------------------------------------------------
341 return 1 if ($self->{_socket} and $self->{_socket}->connected);
346 my( $self, $password ) = @_;
347 $self->{'oils:password'} = $password if $password;
348 return $self->{'oils:password'};
351 # -------------------------------------------------
354 my( $self, $username ) = @_;
355 $self->{'oils:username'} = $username if $username;
356 return $self->{'oils:username'};
359 # -------------------------------------------------
362 my( $self, $resource ) = @_;
363 $self->{'oils:resource'} = $resource if $resource;
364 return $self->{'oils:resource'};
367 # -------------------------------------------------
370 my( $self, $jid ) = @_;
371 $self->{'oils:jid'} = $jid if $jid;
372 return $self->{'oils:jid'};
376 my( $self, $port ) = @_;
377 $self->{'oils:port'} = $port if $port;
378 return $self->{'oils:port'};
382 my( $self, $host ) = @_;
383 $self->{'oils:host'} = $host if $host;
384 return $self->{'oils:host'};
387 # -------------------------------------------------
391 Sends a Jabber message.
394 to - The JID of the recipient
395 thread - The Jabber thread
396 body - The body of the message
404 my $to = $params{'to'} || return undef;
405 my $body = $params{'body'} || return undef;
406 my $thread = $params{'thread'} || "";
407 my $router_command = $params{'router_command'} || "";
408 my $router_class = $params{'router_class'} || "";
410 my $msg = OpenSRF::Transport::SlimJabber::MessageWrapper->new;
413 $msg->setThread( $thread ) if $thread;
414 $msg->setBody( $body );
415 $msg->set_router_command( $router_command );
416 $msg->set_router_class( $router_class );
417 $msg->set_osrf_xid($logger->get_osrf_xid);
420 "JabberClient Sending message to $to with thread $thread and body: \n$body", INTERNAL );
422 my $soc = $self->{_socket};
423 unless( $soc and $soc->connected ) {
424 throw OpenSRF::EX::Jabber ("No longer connected to jabber server");
426 print $soc $msg->toString;
429 "JabberClient Sent message to $to with thread $thread and body: \n$body", INTERNAL );
435 Connect to the server and log in.
437 Throws an OpenSRF::EX::JabberException if we cannot connect
438 to the server or if the authentication fails.
442 # --- The logging lines have been commented out until we decide
443 # on which log files we're using.
449 my $jid = $self->jid;
450 my $host = $self->host;
451 my $port = $self->port;
452 my $username = $self->username;
453 my $resource = $self->resource;
454 my $password = $self->password;
456 my $stream = <<" XML";
457 <stream:stream to='$host' xmlns='jabber:client' xmlns:stream='http://etherx.jabber.org/streams'>
460 my $conf = OpenSRF::Utils::Config->current;
462 if(!$conf->bootstrap->router_name && $username eq "router") {
467 <iq id='123' type='set'>
468 <query xmlns='jabber:iq:auth'>
469 <username>$username</username>
470 <password>$password</password>
471 <resource>${resource}$tail</resource>
476 my $sock_type = 'IO::Socket::INET';
478 # if port is a string, then we're connecting to a UNIX socket
479 unless( $port =~ /^\d+$/ ) {
480 $sock_type = 'IO::Socket::UNIX';
483 # --- 5 tries to connect to the jabber server
486 $socket = $sock_type->new( PeerHost => $host,
490 $logger->debug( "$jid: $_ connect attempt to $host:$port");
491 last if ( $socket and $socket->connected );
492 $logger->warn( "$jid: Failed to connect to server...$host:$port (Try # $_)");
496 unless ( $socket and $socket->connected ) {
497 throw OpenSRF::EX::Jabber( " Could not connect to Jabber server: $!" );
500 $logger->transport( "Logging into jabber as $jid " .
501 "from " . ref( $self ), DEBUG );
503 print $socket $stream;
508 local $SIG{ALRM} = sub { die "alarm\n" }; # NB: \n required
510 sysread($socket, $buffer, 4096);
511 $logger->transport( "Login buffer 1: $buffer", INTERNAL );
519 if( $socket and $socket->connected() ) {
520 $self->{_socket} = $socket;
522 throw OpenSRF::EX::Jabber( " ** Unable to connect to Jabber server", ERROR );
526 $buffer = $self->timed_read(10);
528 if( $buffer ) {$logger->transport( "Login buffer 2: $buffer", INTERNAL );}
530 if( $buffer and $buffer =~ /type=["\']result["\']/ ) {
531 $logger->transport( " * $jid: Jabber authenticated and connected", DEBUG );
533 if( !$buffer ) { $buffer = " "; }
535 throw OpenSRF::EX::Jabber( " * $jid: Unable to authenticate: $buffer", ERROR );
542 my( $class, $app ) = @_;
543 $logger->transport("Constructing new Jabber connection for $app, my class $class", INTERNAL );
545 $class->new( $app )->initialize() );
550 my( $self, $timeout ) = @_;
553 $timeout = int($timeout);
554 undef $timeout if ( $timeout < 0 );
556 unless( $self->{_socket}->connected ) {
557 OpenSRF::EX::JabberDisconnected->throw(
558 "This JabberClient instance is no longer connected to the server " .
559 $self->username . " : " . $self->resource, ERROR );
562 my $val = $self->timed_read( $timeout );
564 $timeout = "FOREVER" unless ( defined $timeout );
566 if ( ! defined( $val ) ) {
567 OpenSRF::EX::Jabber->throw(
568 "Call to Client->timed_read( $timeout ) failed", ERROR );
571 "Call to Client->timed_read( $timeout ) returned 0 bytes of data", INTERNAL );
574 "Call to Client->timed_read( $timeout ) successfully returned data", INTERNAL );
577 my $t = $self->{last_tag};
580 my @msgs = $val =~ /(<$t[^>]*>.*?<\/$t>)/g;
584 my $tmp = $self->{temp_buffer};
586 $self->{temp_buffer} = '';
587 $self->{temp_buffer} .= $_ for (@msgs);
588 $self->{temp_buffer} .= $tmp;
596 # --------------------------------------------------------------
597 # Sets the socket to O_NONBLOCK, reads all of the data off of
598 # the socket, the restores the sockets flags
599 # Returns 1 on success, 0 if the socket isn't connected
600 # --------------------------------------------------------------
604 my $socket = $self->{_socket};
609 my $flags = fcntl($socket, F_GETFL, 0);
611 fcntl($socket, F_SETFL, $flags | O_NONBLOCK);
612 while( my $n = sysread( $socket, $buf, 8192 ) ) {
613 $logger->debug("flush_socket dropped $n bytes of data");
614 if(!$socket->connected()) {
615 $logger->error("flush_socket dropped data on disconnected socket: $buf");
618 fcntl($socket, F_SETFL, $flags);
620 return 0 unless $socket->connected();